Jul 16, · Obesity is an epidemic in the U.S. People are at higher risk for getting serious diseases like type 2 diabetes, heart disease, and cancer. More than one-third of American adults Author: Danielle Moores.
On the surface, the cause of obesity seems simple: if you consume more calories than you burn as energy through physical activity, then you'll gain weight. But like many things, the simple explanation is often incomplete. The risk factors that contribute to obesity can be a complex combination of genetics.